Examine source code of Telescope

{
  "name": "Telescope New Tab Page",
  "description": "A new tab page focused on all the information you need right now.",
  "version": "0.3.0",
  "manifest_version": 3,
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "action": {
    "default_icon": {
      "16": "logo16.png",
      "32": "logo32.png",
      "48": "logo48.png"
    }
  },
  "icons": {
    "16": "logo16.png",
    "32": "logo32.png",
    "48": "logo48.png",
    "128": "logo128.png",
    "192": "logo192.png",
    "512": "logo512.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{05588123-f4ce-4972-b6a4-b3c3ba71fc85}"
    }
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  }
}